*{
	margin: 0;
	padding: 0;
}
ul{
	list-style: none;
}
body{
	font-family: '微软雅黑'；
	color：#14191e;
}
.main{
	width: 790px;
	height: 340px;
	margin: 30px auto;
	overflow: hidden;
	position: relative;
}
.banner{
	width: 790px;
	height: 340px;
	overflow: hidden;
	position: relative;
}
.banner-slide{
	width: 790px;
	height:340px;
	position: absolute;
	background-repeat: no-repeat;
	display: none;
}
.slide-active{
	display: block;
}
.slide1{
	background-image: url('../img/bg1.jpg');
}
.slide2{
	background-image: url('../img/bg2.jpg');
}
.slide3{
	background-image: url('../img/bg3.jpg');
}
.button{
	position: absolute;
	width: 40px;
	height: 80px;
	left: 0;
	top: 50%;
	margin-top: -40px;
	background:url('../img/arrow.png') no-repeat center center;
}
.button:hower{
	background-color:#333;
	opacity: 0.8;
	filter:alpha(opacity=80);
}
.prev{
	transform:rotate(180deg);
}
.next{
	left: auto;
	right: 0;
}
.dots{
	position: absolute;
	right: 20px;
	bottom: 24px;
	text-align: right;
}
.dots span{
	display: inline-block;
	width: 10px;
	height: 10px;
	line-height: 10px;
	border-radius: 50%;
	background: rgba(7,17,27,0.4);
	box-shadow: 0 0 0 2px rgba(255,255,255,0.8) inset;
	margin-left: 10px;
	cursor: pointer;
}
.dots span.active{
	box-shadow: 0 0 0 2px rgba(7,17,27,0.4) ;
	background:#fff;
}